element
Information about Nobelium-250:

WikipediaNeutron Cross SectionsX-Ray TransitionsX-Ray Attenuation

    Mass-Energy Data:

    Atomic Mass:250.087493±0.000219amu #
    Excess Mass (Δ):81.499000±0.204000MeV #
    Binding Energy:1856.531000±0.204000MeV #
"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.
Radioactive Decay Data:

  • Spin: 0+
  • Half life: 0.25 ms ( 0.00025 sec., λ = 2772.59 s-1)
  • Mode of decay: SF
  • Mode of decay: α to
    246
    100
    Fm
      (Q = 9.000 MeV)   Branch ratio: ~0.05 %
R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)